Webmin before 2.641 contains a stored cross-site scripting vulnerability in the email template description field of the System and Server Status module that allows low-privileged authenticated attackers to execute arbitrary JavaScript in the browser context of administrators by injecting unsanitized input stored in save_tmpl.cgi and rendered unescaped in list_tmpls.cgi.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22678.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "2.641"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "2.641"
}
],
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"fixed": "2.641"
}
],
"source": "DESCRIPTION"
}
]
}{
"cpe": "cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.641"
}
],
"source": "CPE_RANGE"
}